#include <iostream>
using namespace std;

class Animal {
  private:
    string color;

  public:
    Animal(string color);
    void speak();
    ~Animal();
};

Animal::Animal(string color) {
    this->color = color;
}

void Animal::speak() {
    cout << "i am animal" << endl;
}

Animal::~Animal() {}

int main() {
    return 0;
}